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27 March, 08:18

How do I find the variable and leave in fraction 3 + 8/7d = - 1

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  1. 27 March, 08:22
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    3 + 8/7d = - 1 ... subtract 3 from both sides

    8/7d = - 1-3

    8/7d = - 4 ... now u multiply both sides by 7/8 (the reciprocal of 8/7)

    (7/8*8/7) d = 7/8 * - 4

    1d or just d = - 28/8 reduces to - 7/2 <==
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